bridgeMLS, Bay East AOR, or Contra Costa AOR #11113632
Dec 3, 2001
Sold
$415,800
$215/sq ft
Oct 16, 2001
Listing Removed
—
Sep 20, 2001
Listed
$439,000
$227/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11100676
Aug 6, 2001
Listing Removed
—
Public Records
Oct 22, 1984
Sold
$150,000
$77/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$8,035 (+2.3%)
$184,354 + $429,865
$614,219
2024
$7,852 (+1.7%)
$184,354 + $429,865
$614,219
2023
$7,721 (+2.0%)
$180,740 + $421,437
$602,177
2022
$7,567 (+2.7%)
$173,722 + $405,074
$578,796
2021
$7,372 (+2.3%)
$173,722 + $405,074
$578,796
2020
$7,203 (−1.8%)
$170,317 + $397,133
$567,450
2019
$7,332 (+2.9%)
$168,571 + $393,062
$561,633
2018
$7,123 (+2.7%)
$165,266 + $385,356
$550,622
2017
$6,935 (+5.1%)
$158,850 + $370,396
$529,246
2016
$6,598 (+7.0%)
$158,850 + $370,396
$529,246
2015
$6,166 (+1.3%)
$155,736 + $363,135
$518,871
2014
$6,089 (+0.8%)
$150,393 + $350,678
$501,071
2013
$6,041 (+2.1%)
$150,393 + $350,678
$501,071
2012
$5,919 (+1.4%)
$149,715 + $349,095
$498,810
2011
$5,838 (+0.7%)
$146,779 + $342,250
$489,029
2010
$5,797 (−0.4%)
$143,901 + $335,540
$479,441
2009
$5,822 (+3.3%)
$142,827 + $333,034
$475,861
2008
$5,637
$143,166 + $333,826
$476,992
Tax history for 18878 Walnut Rd
Year
Property tax
Land + Additions
Assessment*
2025
$8,035 (+2.3%)
$184,354 + $429,865
$614,219
2024
$7,852 (+1.7%)
$184,354 + $429,865
$614,219
2023
$7,721 (+2.0%)
$180,740 + $421,437
$602,177
2022
$7,567 (+2.7%)
$173,722 + $405,074
$578,796
2021
$7,372 (+2.3%)
$173,722 + $405,074
$578,796
2020
$7,203 (−1.8%)
$170,317 + $397,133
$567,450
2019
$7,332 (+2.9%)
$168,571 + $393,062
$561,633
2018
$7,123 (+2.7%)
$165,266 + $385,356
$550,622
2017
$6,935 (+5.1%)
$158,850 + $370,396
$529,246
2016
$6,598 (+7.0%)
$158,850 + $370,396
$529,246
2015
$6,166 (+1.3%)
$155,736 + $363,135
$518,871
2014
$6,089 (+0.8%)
$150,393 + $350,678
$501,071
2013
$6,041 (+2.1%)
$150,393 + $350,678
$501,071
2012
$5,919 (+1.4%)
$149,715 + $349,095
$498,810
2011
$5,838 (+0.7%)
$146,779 + $342,250
$489,029
2010
$5,797 (−0.4%)
$143,901 + $335,540
$479,441
2009
$5,822 (+3.3%)
$142,827 + $333,034
$475,861
2008
$5,637
$143,166 + $333,826
$476,992
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Permits
Beds
3
Baths
3
Stories
1
Lot width
—
Lot depth
—
Lot size
10,269 Sq. Ft.
Year renovated
1961
Sq. Ft.
1,937
Year built
1959
Style
Single Family Residential
County
Alameda County
APN
084D116802402
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 27, 2026.
R1
Single-Family Residence Districts
Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.
Permitted uses
Include but are not limited to:
Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard
Feb 11, 2026 • Final
Building
Tear off and replace the existing roof on a residential building with new composition asphalt shingles. Use the existing roof deck and recycle the old roofing material.
Roofing
Sep 8, 2016 • Final
Building
Remove and replace an existing residential water heater in the same location.
Plumbing
Water heater
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Parking
Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached
Interior
Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
Other Bathrooms Included Features: Shower Over Tub
Interior Features
Interior Features: Au Pair, Dining Area, Family Room, In-Law Floorplan, Tile Counters, Updated Kitchen
Appliances: Dishwasher, Double Oven, Disposal, Refrigerator, Gas Water Heater
Laundry Features: Dryer, Laundry Room, Washer
Upper Level Features: 3 Bedrooms, 2 Baths, Main Entry
Exterior Features: Back Yard, Front Yard, Sprinklers Front, Terraced Up
Roof: Shingle
Property Information
Living Area: 1937
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1959
Lot Information
Lot Size Square Feet: 10269
Lot Size Area: 0.24
Lot Size Units: Acres
Lot Size Acres: 0.24
Lot Features: Sloped Up
Utilities
Utility Information
Water Source: Public
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Ceiling Fan(s)
Location
School Information
High School District: Castro Valley (510) 537-3000
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 1,937
Stories: 1.0
Lot Size: 10,269 square feet
Style: Single Family Residential
Year Built: 1959
Year Renovated: 1961
County: Alameda County
APN: 084D116802402
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Chabot Elementary School
Public K-5 • Assigned • 0.3mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.8mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.8mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley's late-summer market shows a clear split. While median prices hold near $1.2M, increased inventory gives buyers leverage on older properties. However, immaculate homes still go pending in under 15 days. A strong, clean offer is key!
Strong buyer demand keeps the Castro Valley market moving incredibly fast. With homes frequently selling above their $1.2 million median price, decisive action is essential. To win here, buyers need to submit competitive offers quickly and minimize...
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2001. This data may not match public records. Learn more.